2 Syllables: SU
biggest, bigot, billet, biscuit, bishop, bridget, british, christmas, citrus, civic, clearest, clinic, cricket, critic, cynic, dearest, digit, district, drifted, finis, finish, finnish, fittest, frigate, frigid, gibbet, gifted, grimace, hillock, isthmus, lifted, limit, listed, listless, livid, lyric, millet, mimic, minute, minutest, mistress, mystic, mythic, nearest, nicholas, nitrous, philip, phillip, phyllis, physic, picket, pivot, quibus, quickest, rhythmic, richest, rickets, rigid, rivet, shifted, sifted, spinach, spirit, syrup, thickest, thicket, thinness, thinnest, ticket, twisted, vicious, viscous, visit, vivid, wicket, willis
3 Syllables: USU
ambitious, archbishop, artistic, assiduous, assisted, auspicious, bacillus, capricious, consisted, deliberate, delicious, desisted, diminish, elicit, enlisted, exhibit, existed, explicit, factitious, fictitious, idyllic, illicit, implicit, inhibit, initiates, insisted, judicious, linguistic, malicious, narcissus, nutritious, officious, pacific, pernicious, persisted, prestigious, prodigious, prohibit, prolific, propitious, religious, resisted, resistless, revisit, satiric, seditious, semitic, severest, simplistic, sincerest, solicit, specific, statistic, stylistic, subsisted, suspicious, terrific, unfinished, utilise
4 Syllables: UUSU
adventitious, altruistic, analytic, atheistic, avaricious, calvinistic, catalytic, communistic, expeditious, fatalistic, hieroglyphic, humanistic, idealistic, impolitic, inauspicious, injudicious, irreligious, journalistic, logarithmic, mechanistic, metaphysics, monolithic, nationalistic, naturalistic, optimistic, panegyric, paralytic, parasitic, pessimistic, rationalistic, realistic, scientific, socialistic, superstitious, surreptitious, unassisted, undiminished, unpropitious, unrealistic, unsuspicious
5 Syllables: UUUSU
6 Syllables: UUUUSU
7 Syllables: UUUUUSU
Found 186 words across 6 groupings. Skipped 40 excess words of a similar stem.